The Moon is at last quarter today. Sunlight illuminates half of the lunar disk that faces Earth. The “last-quarter” name indicates that the Moon is three-quarters of the way through its month-long cycle of phases.
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The Moon is at last quarter today. Sunlight illuminates half of the lunar disk that faces Earth. The “last-quarter” name indicates that the Moon is three-quarters of the way through its month-long cycle of phases.